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PCM-UIO48A - Winsystems PCM-UIO48A 48 Line Digital PC/104 I/O Module Simple Type:...

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Winsystems PCM-UIO48A 48 Line Digital PC/104 I/O Module Simple Type: I/O Module

The PCM-UIO48A-G is a highly-versatile PC/104 input/output module providing 48 lines of digital I/O. The major feature of this card is its ability to monitor 24 lines for both rising and falling digital edge transitions, latch them and then interrupt the host processor notifying that a changeof- input status has occurred. This is an efficient way of signaling the CPU of real-time events without the burden of polling the digital I/O points. This PC/104 module is also compatible with industry standard isolated I/O signal conditioning modules from Opto-22, Gordos, and others. This module is RoHS compliant.

Download the datasheet (PDF)

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  • +5 volt only operation
  • 12mA Sink Current
  • 8- or 16-bit PC/104 interface
  • Bidirectional operation
  • Change-of-state latched for each line
  • Compatible with industry standard I/O racks
  • Extended temperature range: -40oC to +85oC
  • Fused +5V logic supply for I/O modules
  • Input, Output or Output with Read back
  • RoHS compliant product
  • Software enabled interrupt for each line
  • Software selectable edge polarity for each line
  • Supports 24 event sense lines
  • Supports 48 digital I/O lines
  • Write-protection mask register for each 8-bit port


  • Digital I/O: J1 - J2, 50-pin dual 0.100” grid
  • Dimensions: 3.6” x 3.8” (90mm x 96mm)
  • Jumpers: 0.025” square posts
  • Operating Temperature: -40oC to +85oC
  • Parallel Interface: 48 I/O lines, TTL compatible
  • PC/104 Bus: 8- or 16-bit stackthrough
  • Power Requirements: Vcc: +5V ±5% at 12mA (excluding rack power with no loads on the outputs)



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